---
title: "readAttributePeakMeasuredValue(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterformaldehydeconcentrationmeasurement/readattributepeakmeasuredvalue(with:)"
---

# readAttributePeakMeasuredValue(with:)

## Declaration

```swift
func readAttributePeakMeasuredValue(with params: MTRReadParams?) -> [String : Any]?
```